Home / 83,177.37-124,815.47-30,623.76

Finding the Fourth Proportional to 83,177.37, 124,815.47 and 30,623.76

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Solution

The fourth proportional to 83,177.37, 124,815.47 and 30,623.76 is: 45,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,177.37 : 124,815.47 = 30,623.76 : x
  2. Step 2: Convert to fraction form
    83,177.37/124,815.47 = 30,623.76/x
  3. Step 3: Cross multiply
    83,177.37x = 124,815.47 × 30,623.76
  4. Step 4: Simplify right side
    83,177.37x = 3,822,318,844.45
  5. Step 5: Solve for x
    x = 3,822,318,844.45/83,177.37
  6. Step 6: Final answer
    x = 45,953.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.